- The seal ring around the lids has been redesigned. The silicone on the top of the lid seals tight. When sipping, no liquid leaks from the lid except for the sipping hole. No leak. Easy to carry anywhere.
- This glass coffee mug is made of high borosilicate glass. its lightweight, sleekness, and exceptional strength compared to regular glass. Suitable for temperatures both hot and cold. All materials are guaranteed food grade, BPA-free, odor-free and pollution-free. Dishwasher and microwave-safe
